Malicious Code Detected in @zalastax/nolb-node-3: A Critical Security Alert

@zalastax/nolb-node-3 Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-12588: Malicious code in @zalastax/nolb-node-3 (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The package @zalastax/nolb-node-3 is a Node.js library designed for specific functionalities in web applications. It is utilized by developers for its ease of integration and performance. However, this package has been flagged for containing malicious code, which poses a significant risk to applications that rely on it. Users of this package should be aware of its vulnerabilities and take immediate action to protect their systems.

Vulnerability Detail

The vulnerability in the @zalastax/nolb-node-3 package originates from the inclusion of malicious code that can compromise the security of applications using it. This code can lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The malicious nature of this code makes it imperative for developers to address this issue promptly to safeguard their applications and users.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall @zalastax/nolb-node-3

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a temporary workaround, consider removing the @zalastax/nolb-node-3 package from your project until a secure version is released. You can do this by executing: npm uninstall @zalastax/nolb-node-3. This will help mitigate the risk of exposure to the malicious code.

Conclusion

The discovery of malicious code in the @zalastax/nolb-node-3 package highlights the importance of vigilance in managing open-source dependencies. Developers should take immediate action to update or remove the affected package to protect their applications from potential threats.

See every vulnerability recorded for @zalastax/nolb-node-3 →

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FAQ

The malicious code can potentially allow unauthorized access to your application, leading to data breaches or other security incidents.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without any signup.

If immediate updates are not possible, consider removing the package from your project as a temporary measure to reduce risk.

While specific exploits have not been detailed, the presence of malicious code indicates a high risk of exploitation.

Regularly check for updates from package maintainers and consider using tools like Vulert to monitor your dependencies.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall @zalastax/nolb-node-3

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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